Answers
Solution:
According to the graph, we have that the selection present in the given population is the stabilizing selection or normalizing selection. This selection is a type of natural selection in which genetic diversity declines according to a particular characteristic. For example, organisms with characteristics of the average range survive the longest, according to the graph.
So that, the correct answer is: stabilizing selection.
Related Questions
Which type of interaction is displayed in this graph
A. Parasitism
B. Competition
C. Commensalism
D. Mutualism
Answers
Answer:
Sorry If this is wrong but I think it is D
Explanation:
Examine the stages of the cell cycle shown here. The steps of the cell cycle, including mitosis, are shown here. Determine which statements are accurate based on the model shown here. (Choose 2)
Answers
From the given stages of the cell cycle option A and C apply as they describe the stages of the cell cycle.
There are different stages in a cell cycle. These include the G1 phase, G2 phase, and M phases. In the G1 phase, the cell grows in size and duplicates all its contents. During the S phase, the cell replicates the genetic material that is the DNA. Duplication of the centrosome also takes place during this phase.
During the G2 phase cell grows more, synthesizes proteins and reorganizes all its contents. it finally prepares for mitosis. During the M phase of the cell cycle or mitosis, the cell divides the duplicated DNA and all its contents and finally forms the two daughter cells through a process called cytokinesis. These are the different stages involved in a cell cycle.
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The given question is incomplete. The most probable question is given below:
Examine the stages of the cell cycle shown here. The steps of the cell cycle, including mitosis, are shown here. Determine which statements are accurate based on the model shown here. Select ALL that apply.
A)The correct order is DACB
B)The correct order is ABCD
C) shows the separation of homologous chromosomes.
D)Chromatids are separated during the entire process
E)Letter B is a cell undergoing cytokinesis by forming a cell plate.
1. Avocadoes also turn black when their inner flesh is exposed to air. There are three techniques can be used to keep the guacamole from turning black. What are they and how does each inhibit tyrosinase enzyme activity.
Answers
Answer:
Pat the guacamole down to give it a flat surface.
Pour a thin but visible layer of water or lemon/lime juice over the guacamole to form a barrier with the air.
Cover the dish with plastic wrap, pushing the wrap, so it is flush with the guacamole to prevent air pockets, or put the guacamole in a sealed tub.
Explanation:
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Answers
1. Complete the table to summarize the inputs and outputs of matter and energy that are shown in your models of photosynthesis and cellular respiration. Some of the data have been filled in for you. (7 points)
Photosynthesis
Cellular respiration
Inputs
Outputs
Inputs
Outputs
Number of C atoms
6
Number of H atoms
12
Number of O atoms
18
Energy-carrying molecules
1 adenosine triphosphate (ATP) molecule
Type of energy
Light energy
Answers
Photosynthesis:
Inputs Outputs
Number of C atoms 6
Number of H atoms 12
Number of O atoms 18
Energy-carrying molecules Light energy
Cellular respiration:
Inputs Outputs
Number of C atoms 6
Number of H atoms 12
Number of O atoms 6
Energy-carrying molecules Adenosine triphosphate (ATP)
In photosynthesis, the inputs include 6 carbon (C) atoms, 12 hydrogen (H) atoms, and 18 oxygen (O) atoms. These atoms are obtained from carbon dioxide (\(CO_{2}\)) . Glucose \(C_{6} H_{12} O_{6}\), which contains 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms. Additionally, oxygen (O2) is released as a byproduct.In cellular respiration, the inputs are the same as the outputs of photosynthesis. This is because the products of photosynthesis, such as glucose and oxygen, serve as the inputs for cellular respiration. Glucose is broken down during cellular respiration to release energy. The process involves the consumption of 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms. The energy released is captured in the form of adenosine triphosphate (ATP), which is the energy-carrying molecule used by cells for various metabolic processes.For more such question on photosynthesis
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Sort the following events into two categories:________.
1. Carcinogenic—changes that could cause cancer
2. Anti-carcinogenic—changes that could stop cancer
a) activation of cyclin gene expression
b) activation of a phosphatase that affects kinase 3 of the MAP kinase pathway
c) activation of a phosphatase that affects p53
d) activation of DNA synthesis genes
e) blocking GTPase activity of the G-protein α subunit
f) blocking degradation of p53
g) blocking dimerization of PDGF receptors
h) blocking cyclins from binding to cyclin-dependent kinases
Answers
Answers:
a) carcinogenic
b) anti-carcinogenic
c) carcinogenic
d) carcinogenic
e) carcinogenic
f) anti-carcinogenic
g) anti-carcinogenic
h) anti-carcinogenic
Explanation:
Cyclins are proteins that regulate the progression through the cell cycle, i.e., the transition of G1 to S phase. It is well known that high cyclin expression may lead to cell proliferation states, which is closely associated with cancer progression. Moreover, the blockage of cyclins may have an anti-carcinogenic effect by inhibiting the progression through the cell cycle. MAP kinases are serine/threonine kinases that regulate the progression through the cell cycle by phosphorylating a variety of substrates during cell proliferation. In consequence, phosphatases that inactivate MAPK kinases (i.e., by dephosphorylation) may have an anticarcinogenic effect. The p53 is a tumor suppressor protein involved in diverse cellular processes including DNA repair, cycle arrest and programmed cell death. This protein (p53) is activated by phosphorylation at target residues and phosphatases inactivate it, thereby the blockage of its degradation may have an anticarcinogenic effect. Oncogene activation (i.e., the expression of oncogenes), may alter diverse cellular processes including DNA replication, and thereby may lead to cancer development. The G-protein α subunit is a GTPase that hydrolyses GTP and thus has a major role in controlling the kinetics of the G-protein signaling cascade. Platelet-derived growth factor receptors (PDGFR) are kinase receptors that play roles in regulating cellular differentiation, cell proliferation and cell growth. PDGFR receptors are present on the surface of normal cells, however, it has been shown that mutations of the PDGFR genes that lead to their high expression lead to uncontrolled cell growth and consequently cause cancer (i.e., by increasing PDGF signaling).
Consider a cross between two Brassic rap parent plants known to be heterozygos tall. Using a punnett square to solve this cross and break down the expected genotypc and phenotyic results.
Draw a punet square here
Genotypic results:
Homzygous Dominant:
Heterzygous:
Homzygous Recessive:
Phenotypc results:
Tall:
Answers
Answer:
Genotypic results: 1 (TT):2 (Tt) :1 (tt)
Homzygous Dominant: 1/4
Heterozygous: 1/2
Homzygous Recessive: 1/4
Phenotypc results: 3 tall: 1 short
Tall: 3/4
Short: 1/4
Explanation:
This question involves a gene coding for height. The alelle for tallness (T) is dominant over the allele for shortness (t). According to this question, a cross between two Brassic rap parent plants known to be heterozygos tall (Tt) is performed.
Each parent will produce gametes T and t. Using these gametes in a punnet square (see attached image), the following offsprings will be produced:
TT (1), Tt (2), and tt (1)
Based on this result, the following results are obtained:
Genotypic results: 1 (TT):2 (Tt) :1 (tt)
Homzygous Dominant: 1/4
Heterozygous: 1/2
Homzygous Recessive: 1/4
Phenotypc results: 3 tall: 1 short
Tall: 3/4
Short: 1/4
Why are scientific journals considered a superior resource compared to other sources of scientific information?
Answers
Scientific journals are generally specialized for distinct academic fields or subdisciplines, and they are the most important way of communicating research findings.
In order to acquire a deeper knowledge of the facts and conclusions, the research frequently challenges prevalent assumptions and the research data given in the published research findings.Scientists disseminate these research findings in scientific journals to make it publicly available to the masses.Scientists describe the study they're building on in scientific publications and journals, as well as their research methodologies, datasets and data processing tools, and their data interpretation.On the other hand;
Scientific information is concerned with investigating the characteristics and behavior of information, the forces influencing the flow of information, and how it is being processed for optimal usability and usefulness.
It deals with the creation, gathering, categorization, retention, retrieval, interpretation, transmission, and usage of data.Thus, from the above explained concept we can conclude and agree that:
Scientific journals are far considered superior resources as compared to the sources of scientific information due to the fact that it is scientific journals are peer reviewed(i.e. experts in the field have used different research findings and methodologies) for its validation.
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PLEASE HELP I NEED IT RNNNN ILL MAKE YOU BRAINLIEST
Answers
. If Haily is analyzing samples of chromosomes under a microscope which feature would help her categorize the different samples? A. Genetic makeup B. Arm length C. Shape D. Centromere placement E. None of the above
Answers
Answer:
B. Arm length
C. Shape
D. Centromere placement
Explanation:
Cytogenetics is a discipline that study the structure and number of chromosomes including their morphology, position of the centromere, arm length, staining bands, etc. These features can be observed by microscope and enable us to identify different genome rearrangements (i.e., translocations, deletions, centric fusion, chromosome duplications, etc.) by ilustrating chromosomes in defined pictures referred to as karyotypes. In consequence, they are chromosome features that can be used in order to categorize different samples.
The high death rate of children in orphanages the Harlow investigated was called:cross-sectional studiescontinuitymarasmus syndromediscontinuity
Answers
The high death rate of children in orphanages the Harlow investigated was called marasmus syndrome. Marasmus syndrome is a consequence of severe malnutrition, which reduces the needed calories to perform essential metabolic activities. Eventually this could lead to famine and death.
who is good a biology
Answers
On the model of mitchondrion, highlight the area (arrows) that is the ELECTRON TRANSPORT CHAIN in yellow.
Place an X over the protein that is inhibited by cyanide.
Color the phospholipid bilayer blue.
A special protein called ATP synthase generates ATP. Find it on the diagram and color it red
Answers
The electron transporter chain is the sequence of redox reactions that occur in the mitochondrial membrane as electrons flow through different electron transporters resulting in energy production. In the attached files you will find the image with the colored structures.
What is the electron transporter chain and how does cyanid inhibit it?
The electron transporter chain is a series of molecules and proteins located in the internal mitochondrial membrane. It constitutes a series of enzymatic reactions to release and save energy for the organism’s correct functioning.
Along the chain, there are four proteinic complexes in the membrane that contain the electron transporters and the enzymes necessary to catalyze the electrons' transference from one complex to the other.
Different redox reactions occur to pass electrons from NADH along the chain.
Released energy creates a proton concentration gradient used to synthesize ATP.
Cytochrome oxidase (P450) is one of the enzymes involved in this electron transport, which ends in producing energy. It is the complex IV.
Ion cyanide is a powerful cellular poison that inhibits cellular respiration by binding to the ferric ion of cytochrome oxidase.
Cyanide-ferric binding inactivates the enzyme and blocks electron transference. The chain is interrupted, leading to no oxygen consumption and no ATP production.
Since muscles do not get to have ATP as a source of energy, they weaken.
The interruption of the electron transporter chain produces an anaerobic state that could be culminating.
In the attached files you will find the image with the colored structures. Complex IV is the one affected by cyanide.
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What is the independent and dependent variable in this graph?
Answers
The independent variable is the width while the dependent variable is the length
What is dependent and independent variable?
The variable that the researcher manipulates or controls is known as the independent variable. It is the element that a possible impact on the dependent variable is. When conducting an experiment, the independent variable is purposefully altered or manipulated in order to track how it affects the dependent variable. The "cause" or "input" variable are other names for the independent variable.
The dependent variable, on the other hand, is the one that is observed or measured as a result of changes in the independent variable. Researchers are interested in examining the result or results.
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Which Field of study is quantifiable makes testable predictions and uses controlled conditions for experimental procedures
Answers
Answer:
Science
Explanation:
Did you notice how many words and phrases there are in the question that come straight out of the "Scientific Method" ?
The question is describing the study of Science, or more accurately, the scientific study of anything.
Answer:
D. Science
Explanation:
I took the test
A mutation that hides the effect of another mutation at a site that is distinct from the site of the original mutation, but with in the same gene. This mutation is best described as a
Answers
Answer:
The correct answer is intragenic suppressor mutation.
Explanation:
A suppressor mutation partially or completely converses the effects of a different mutation. A suppressor mutation is of two kinds, that is, an intragenic suppressor and an intergenic suppressor. An intragenic suppressor converses the influence of a mutation at a distinct site in a similar gene.
On the other hand, an intergenic suppressor converses the influence of a mutation at a distinct locus of the gene. It is the intragenic suppressor mutation, which takes place in a similar gene where the occurrence of the first mutation had taken place. Therefore, the mutation, which hides the influence of another mutation at a location, which is different from the location of the original mutation, but taking place in a similar gene can be illustrated as the intragenic suppressor mutation.
Describe the development of the zygote until implantation occurs.
Answers
PLS ANSWER FAST! Which of these descriptions best contrasts safety knowledge for cows and horses? Horses have a definite flight zone, whereas cows do not Cows will startle at sudden movement or noise. but horses do not. Cows have 360-degree vision, but horses do not Cows have a definite flight zone, whereas horses do not.
Answers
Answer:
the descriptions best contrasts safety knowledge for cows and horses is the description that says "Cows have 360-degree vision, but horses do not Cows have a definite flight zone, whereas horses do not"
Explanation:
For horses, the size of the flight zone depends primarily on the tameness or familiarity of the horse with the handler. With frequent handling, the flight zone decreases in size and may even disappear. A horse that is approached head-on has a larger flight zone than if it is approached from the side.
When moving groups of cattle in open spaces. The flight zone is the animal's personal space, and the size of the flight zone is determined by the wildness or tameness of the animal. Completely tame animals have no flight zone and people can touch them.
Answer:
It's A
Explanation:
Which ocean feature forms at a divergent boundary and formed by magma thatrises from Earth's mantle?Adeep sea trenchBmid-ocean ridgeСcontinental riseDcontinental slope
Answers
A mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. This uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.
Answer: B
organisms with a large gene pool have a greater chance of ___ than a population with limited genetic variability
Answers
Answer:
Surviving and flourishing
Explanation:
Because of inherited traits making them particularly resistant to disease or tolerate of cold.
A nerve is actually a long threadlike bundle of ________ that conduct electrical impulses.
A. Synapses
B. Axons
C. Myelin sheaths
D. Dendrites
Answers
Answer:
Dendrites
Explanation:
can someone give me and simple explanation for this?
What's the difference between primary succession and secondary succession?
Answers
Primary succession and secondary succession are two different processes of ecological succession that occur after a disturbance in an ecosystem.
Primary succession is the process by which a new ecosystem is formed on barren land where no soil or organisms exist, such as after a volcanic eruption or glacial retreat.
The process begins with the colonization of bare rock or sand by pioneer species like lichens and mosses. Over time, these organisms break down the rock or sand, creating soil that can support the growth of larger plants like grasses and shrubs. Eventually, trees and other complex organisms take root, creating a mature ecosystem.
Secondary succession, on the other hand, occurs when a disturbance, such as a wildfire or human activity, destroys an existing ecosystem but leaves behind soil and some organisms.
The process begins with the growth of pioneer species that can quickly colonize the area, such as weeds and grasses. As the ecosystem recovers, more complex organisms move in, and the ecosystem slowly returns to its previous state.
In summary, primary succession occurs on bare land without soil or organisms, while secondary succession occurs on land that has been disturbed but still contains some soil and organisms. The processes of succession are essential for the renewal and recovery of ecosystems after a disturbance.
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Which of the following statements about feedback regulation of a metabolic pathway is correct?
A) The compound that regulates the pathway acts as a competitive inhibitor or a positive allosteric regulator.
B) The enzyme that is regulated by feedback inhibition is usually the last enzyme in the metabolic pathway.
C) The final product of a metabolic pathway is usually the compound that regulates the pathway.
D) The products of the pathway become the reactants for a different reaction, and thus products are unable to accumulate.
E) Accumulation of the product of the pathway increases further formation of that product.
Answers
Answer:
Correct answer is: B) The final product of a metabolic pathway is usually the compound that regulates the pathway.
Explanation:
Feedback regulation of a metabolic pathway is a mechanism by which the end product of a pathway inhibits an enzyme that catalyzes an early step in the pathway, thus preventing the overaccumulation of the product. This is an example of negative feedback, which maintains homeostasis and optimizes the efficiency of the pathway.
For example, in the synthesis of the amino acid isoleucine from threonine, the final product isoleucine binds to the allosteric site of the first enzyme in the pathway, threonine deaminase, and inhibits its activity. This reduces the rate of the pathway and prevents the excess production of isoleucine.
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Answers
Answer: I'm sorry I'm not sure...
Explanation: Sorry .. But can i still have it?.....
Answer:
Meiosis
Explanation:
I think the answer is meiosis!
Tests: Watch the following video https://youtu.be/f6c2cZfOULI Start at 3:20.
What are the independent and dependent variables in this experiment?
Independent:
Dependent:
What is the control and the constants to ensure test validity in this experiment?
Answers
According to the information, we can infer that the Independent variable: Temperature (specifically, the range of temperature). On the other hand, Dependent variable: Distribution of pikas. Additionally, Control: Pikas within their tolerance range of temperature and Constants: Other environmental factors, habitat conditions, and population of pikas.
What are the independent and dependent variables in this experiment?In this experiment, the independent variable is the temperature, specifically the range of temperature. The researcher will manipulate and observe how different temperature ranges affect the distribution of pikas.
The dependent variable is the distribution of pikas. It refers to the geographical or spatial range in which pikas are found. The researcher will measure and analyze how the distribution of pikas changes in response to different temperature ranges.
What is control and the constants to ensure test validity in this experiment?To ensure test validity, a control group of pikas within their tolerance range of temperature needs to be included. This group will experience temperatures within the range they can tolerate, providing a baseline for comparison. By comparing the distribution of pikas in different temperature ranges to the control group, the researcher can determine the impact of temperature on their distribution.
To maintain validity, other environmental factors such as altitude, precipitation, vegetation, and habitat conditions should be kept constant across the experimental groups. Additionally, the population of pikas being studied should be consistent, without any significant changes in population size or genetic composition throughout the experiment. These constants help isolate the effect of temperature on pika distribution and minimize confounding variables.
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An unknown pill was found in Anna's digestive system. To figure out the identity of the unknown pill you "performed" testing on the unknown pill and different known pills by adding a variety of chemicals to the pills and observing their reactions. By comparing the reactions of the unknown substances to the known substances, you were able to identify the unknown pill.
Match the part of the experiment with the correct term.
Independent Variable=
Dependant Variable-
Control=
Constant=
A. The known Substances
B. adding 3 drops to each chemical to each substance
C. The reactions to different chemicals
D. Identity of the pill
Answers
Answer:
Independent Variable= Identity of the pill
Dependent Variable = The reactions to different chemicals
Control= The known Substances
Constant= adding 3 drops to each chemical to each substance
Can someone help me label this diagram of the fluid mosaic model please
Answers
Answer:
A) Integral/transmembrane proteins
B)Glycoprotein
C)Glycolipid
D) cholesterol
E)Phospholipid Bilayer
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One of the many unique properties of water is that its solid form (ice) is less dense than its liquid form. Most substances become more dense when in solid form, because their molecules are more tightly compact. Why is this property of water so important to life on Earth?
A) It allows water to travel up plants to distribute water to stems and leaves
B) Ocean water temperature doesn't fluctuate as much due to its high specific heat
C) Surface water freezes and insulates the water below for marine life
D) Nutrients are easily dissolved in water to allow distribution
Which of the following molecules are classified as carbohydrates?
A) Fatty
B) Monosaccharides
C) Nucleotides
D)Amino Acids
What is the function of carbohydrate?
A)Stores and transmits genetic information
B)Transports things in and out of cells
C)Main and immediate source of energy
D)Makes up biological membranes
Answers
Water is a biological molecule that posseses unique properties that distinguishes it from other molecules.
One of the unique properties is that water in its solid form (ice) is less dense than its liquid form. This property of water is so important to life on Earth is to allow surface water freeze and insulate the water below for marine life.
A carbohydrate is one of the four major biological molecules in nature made up of monomers called monosaccharides or simple sugars.
Carbohydrate molecules are sugar, starch, or cellulose that serves as a food source of energy for an animal or plant.
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Mark this and return
How is energy related to the change of state
represented by the model?
O Atoms gain energy as a gas changes to a solid.
Atoms gain energy as a gas changes to a liquid.
Atoms lose energy as a gas changes to a solid.
Atoms lose energy as a gas changes to a liquid.
Answers
The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.
What is Atoms?A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.
The atoms in this process move from a higher-energy state to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.
Therefore the correct option is d.
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Discuss TWO ways how gender inequality in a relationship could make the female partner more
vulnerable and likely to contract HIV
Answers
Gender inequality in a relationship can significantly increase the vulnerability of women to HIV infection. Here are two ways how this can happen:
Unequal power dynamics: In many cultures, women are often considered subordinate to men and are expected to be obedient and submissive in a relationship. This can result in unequal power dynamics where the male partner has more decision-making power and control over the relationship, including decisions about sexual activity. For example, a male partner may refuse to use condoms or may insist on having unprotected sex, even if the female partner wants to use protection. This puts the female partner at a higher risk of contracting HIV, especially if the male partner has other sexual partners.Economic dependence: Women may be economically dependent on their male partners, especially in societies where women have limited access to education and employment opportunities. In such situations, women may be forced to engage in transactional sex, where they exchange sex for money, shelter, or other resources. This increases their risk of HIV infection, especially if they have little control over the sexual encounters and are unable to negotiate condom use or refuse sex.